The Conductor is made of pure copper and the dielectric is using flexible PVC, outside jacket is in midnight blue approximately ½” in diameter, it consists of seven small groups, one of which is flexible PVC core for absorbing the excess resonance within the cable, the rest six groups divided into three group in red (+) and 3 groups in black (-), each of the group consists multi-strands at a 16 AWG. In other words, 3 x 16 AWG for red and 3 x 16 AWG in black. (app. 12 AWG for each polarity).